CVE-2025-57295: H3C devices running firmware version NX15V100R015 are vulnerable to unauthorized access due to insecure defaul

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HIGH 8.0MITIGATE

CVE-2025-57295 is a high-severity flaw (CVSS 8.0) affecting magic nx15 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

H3C devices running firmware version NX15V100R015 are vulnerable to unauthorized access due to insecure default credentials. The root user account has no password set, and the H3C user account uses the default password "admin," both stored in the /etc/shadow file. Attackers with network access can exploit these credentials to gain unauthorized root-level access to the device via the administrative interface or other network services, potentially

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.0 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.4% (top 64%)
CISA exploited list	No
Weakness	CWE-521, CWE-1188
Published	2025-09-18
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: h3c

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-09-18 21:15 UTCPublished CVE record published
2026-06-17 09:43 UTCUpdated Record last modified

h3c magic nx15 firmware MITIGATE

Affected: nx15v100r015

Fixed in: no fixed release known

Safe to downgrade to: a release before nx15v100r015

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-57295?

magic nx15 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-57295 being exploited?

CVE-2025-57295 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-57295 affect?

CVE-2025-57295 affects magic nx15 firmware. Severity is high (CVSS 8.0). H3C devices running firmware version NX15V100R015 are vulnerable to unauthorized access due to insecure default credentials. The root user account has no password set, and the H3C user account uses the default password "admin," both stored

How urgent is CVE-2025-57295?

Priority 42/100. High severity; Public exploit reference

Related CVEs

CVE-2025-3546 HIGH 8.0 UPGRADE UPGRADE A vulnerability was found in H3C Magic NX15, Magic NX30 Pro, Magic NX400, Magic R3010 and Magic BE18000 up to

References

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